Solutions Tubes with ridges has 10 entries with similar clues
- ovaThey go down the tubes
- reefsSubmerged coral ridges
- hosesGarden tubes
- atollscoral ridges
- pipingTubes so hot?
- heliumGas used in fluorescent lighting tubes, lasers, and balloons
- oviductsTubes down which human eggs pass
- eyebrowsRidges of hair on the forehead
- macaroniPasta tubes
- currycombA handheld device with serrated ridges used for grooming horses